assert.Equal(t, res, "1")
	res, err = l.Get(longKey + "2")
	assert.NoError(t, err)
	assert.Equal(t, res, "2")
	res, err = l.Get(longKey)
	assert.NoError(t, err)
	assert.Equal(t, res, "")
}

func TestGetAndPrevious(t *testing.T) {
	l := smtLedger{tree: newSMT(hasher, nil, time.Minute)}
	resultHashes := map[string]bool{}
	l.Put("foo", "bar")
	firstHash := l.RootHash()

	resultHashes[l.RootHash()] = true
	l.Put("foo", "baz")